What are 2 functions of naturally produced chemical defenses in sponges?
What will be an ideal response?
Sponges have long been known to be relatively immune to bacterial infections. Sponges produce antimicrobial chemicals within their tissues that ward off bacteria. Other sponges use chemicals, which inhibit the settlement of larvae of other sessile animals on the sponges' tissues and may also clear a particular rock surface of encrusting algae and sessile animals.
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Explain why fungal life cycles are not considered an example of "alternation of generations."
What will be an ideal response?
A patchy distribution of an essential resource leads to a(n) ____ population distribution
a. clumped b. random c. uniform d. exponential e. logistic
Bacteriophages decrease food safety
____________________ Indicate whether the statement is true or false.
Muscle tissue develops from which germ layer of an embryo?
a) endoderm b) ectoderm c) gastroderm d) mesoderm